```go
package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
)

const MOD = 998244353

func power(a, b int64) int64 {
	res := int64(1)
	for b > 0 {
		if b&1 == 1 {
			res = (res * a) % MOD
		}
		a = (a * a) % MOD
		b >>= 1
	}
	return res
}

func main() {
	scanner := bufio.NewScanner(os.Stdin)
	scanner.Split(bufio.ScanWords)

	if !scanner.Scan() {
		return
	}
	n, _ := strconv.Atoi(scanner.Text())

	inv100 := power(100, MOD-2)
	cur := int64(1)
	sum := int64(0)

	for i := 0; i < n; i++ {
		sum = (sum + cur) % MOD
		scanner.Scan()
		val, _ := strconv.Atoi(scanner.Text())
		prob := (int64(val) * inv100) % MOD
		cur = (cur * prob) % MOD
	}

	ans := (sum * power(cur, MOD-2)) % MOD
	fmt.Println(ans)
}
```